Change logs for reniced source package in Groovy

reniced (1.21-1) unstable; urgency=low

  * New upstream release.

  * debian/control:
    - bump policy version from 3.9.7 to 3.9.8 (no changes)
    - remove trailing dot from description

  * debian/copyright:
    - rewritten using DEP-5/copyright-format 1.0

 -- Christian Garbs <email address hidden>  Sun, 15 May 2016 17:07:13 +0200